package cn.saddyfire.pattern.adapter.class_adapter;

/**
 * @author Dee
 * @date 2024/1/25
 * <p>Description:
 */
public class Computer {
    public String readSD(SDCard sdCard) {
        if (sdCard == null) {
            throw new NullPointerException("sd card is not null");
        }
        return sdCard.readSD();
    }
}
